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Chang-Cheng Liu, Yu-Guo Liu, Ke Guo*, Guo-Qing Li, Yuan-Run Zheng, Li-Fei Yu, Rui Yang. 2011. Comparative ecophysiological responses to drought of two shrub and four tree species from karst habitats of southwestern China. Trees, 25:537-549.
Changcheng Liu, Yuguo Liu, Ke Guo*, Dayong Fan, Guoqing Li, Yuanrun Zheng, Lifei Yu, Rui Yang. 2011. Effect of drought on pigments, osmotic adjustment and antioxidant enzymes in six woody plant species in karst habitats of southwestern China. Environmental and Experimental Botany, 71: 174-183.
Chang-Cheng Liu, Yu-Guo Liu, Ke Guo*, Da-Yong Fan, Li-Fei Yu, Rui Yang. 2011. Exploitation of patchy soil water resources by the clonal vine Ficus tikoua in karst habitats of southwestern China. Acta Physiologiae Plantarum, 33:93-102.
Chang-Cheng Liu, Yu-Guo Liu, Ke Guo*, Yuan-Run Zheng. 2010. Influence of drought intensity on the response of six woody karst species subjected to successive cycles of drought and rewatering. Physiologia Plantarum, 139: 39-54.